
function GSLpp_plot(X, Y)
  colors = { 'r', 'g', 'b', 'c', 'm' };
  markers = { '^', '*', 'x', 'o', '+' };
  
				% TODO: error handling

  hold on;
  for j = 1:size(Y, 1)
    plot(X, Y(j, :), [ colors{j}, '-', markers{j} ], 'linewidth', 5, 'markersize', 10);
  endfor
  hold off;
endfunction
